Protected: Oracle Database Guard 12c Implementation with RAC (Step-by-Step)

Posted on by Ahmed Abdel Fattah

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Oracle Database Services in (Oracle RAC + Oracle Data Guard) Environment

Posted on by Ahmed Abdel Fattah

Introduction: We may classify the database services into two types of services : 1- Database Services 2- Cluster Managed Database Services Please note that: - The procedure dbms_service.start_service - used with the first type - is deprecated in databases managed by Oracle Clusterware and Oracle Restart with Release 11.2. While the procedure remains available in … Continue reading Oracle Database Services in (Oracle RAC + Oracle Data Guard) Environment

Protected: Oracle Database Fast Cloning Options for Databases on Supercluster

Posted on by Ahmed Abdel Fattah

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How do Nologging Operations affect Recovery and Data Guard?

Posted on by Ahmed Abdel Fattah

What is Redo Information: Each Oracle Database instance has redo logs, which consists of two or more preallocated files that store all changes made to the database as they occur. Every instance of an Oracle Database has an associated redo log to protect the database in case of an instance failure. What is Nologging: NOLOGGING can be used to prevent bulk operations from … Continue reading How do Nologging Operations affect Recovery and Data Guard?